Finding the Third Proportional to 2,587,146 and 5,442,393

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,146 : 5,442,393 = 5,442,393 : x
2. Step 2: Convert to fraction form
   2,587,146/5,442,393 = 5,442,393/x
3. Step 3: Cross multiply
   2,587,146x = 5,442,393 × 5,442,393
4. Step 4: Simplify right side
   2,587,146x = 29,619,641,566,449
5. Step 5: Solve for x
   x = 29,619,641,566,449/2,587,146
6. Step 6: Final answer
   x = 11,448,770.79